David M. Kiely (b. 10 July 1949, Dublin) is a writer of fiction and non-fiction. Having worked in advertising in several countries, he returned to Ireland in 1991, to take up writing full time. His first book was published in 1994. He currently lives in Warrenpoint, County Down, Northern Ireland, with his wife and co-author Christina McKenna.

John Millington Synge: A Biography was intended for the non-academic reader. It was published in 1994 by Gill & Macmillan, Dublin, and St. Martin's Press, New York.

A Night in the Catacombs (1995 Lilliput Press, Dublin) is a book of short stories that presents fictional portraits of Irish literati, ranging from Jonathan Swift to Brendan Behan. It was exceptionally well received by critic and public alike ("An ingenious, inventive, and innovative fictional voyage." - The Irish Times).

Modern Irish Lives (1996 Gill & Macmillan, Dublin, and St. Martin's, New York) is an encyclopedia of men and women who influenced Irish life in the twentieth century. Kiely contributed more than five hundred articles to the book.

The Angel Tapes (1997 St. Martin's, New York, and Blackstaff Press, Belfast) is a crime thriller set in Dublin. It features the hunt for an unknown bomber who is targeting the forthcoming visit to the country of the President of the United States.

Bloody Women: Ireland's Female Killers (1998 Gill & Macmillan, Dublin) contains 17 cases of Irishwomen who were found guilty of murder or manslaughter. The cases range from that of Victorian murderer Kate Webster to that of Susan Christie, who fatally stabbed her love rival in 1993.

The Irish Highwaymen (2000 Merlin Publishing, Dublin) was ghost-written for Stephen Dunford, who had collected an impressive body of research on the subject.

Deadlier Than the Male: Ireland's Female Killers (2005 Gill & Macmillan, Dublin) is a sequel to Bloody Women and spans roughly the same period, i.e. from Victorian times to the present day.

The Dark Sacrament: Exorcism in Modern Ireland (2006 Gill & Macmillan, Dublin,) co-authored with Christina McKenna, contains nine contemporary cases of exorcism. A special American edition was published in October 2007 by HarperOne, San Francisco. It contains additional material. A paperback edition was issued in 2008.

More Bloody Women: Ireland's Most Dangerous Females (2009 Poolbeg Press, Co. Dublin) is the third in this series of true crime books. Unlike its predecessors, this book concentrates on more recent killings, from the case of Majella Boland, who hired a hitman to murder her husband in 1989, to the tragedy of Mary Prendergast of Cork, who was convinced her daughter was the Devil and stabbed her to death in 2006. Readers will recognize high-profile women such as Catherine Nevin, Sharon Collins, and the Mulhall Sisters. But there are also lesser-known cases that will both appall and fascinate.